La Leaderboard: A Large Language Model Leaderboard for Spanish Varieties and Languages of Spain and Latin America. - María Grandury; Javier Aula-Blasco; Júlia Falcão; Clémentine Fourrier; Miguel González Saiz; Gonzalo Martínez 001; Gonzalo Santamaría; Rodrigo Agerri; Nuria Aldama; Luis Chiruzzo; Javier Conde; Helena Gómez; et al. (CoRR, 2025)